1package eu.siacs.conversations.ui.adapter;
2
3import android.content.Context;
4import android.content.res.Resources;
5import android.graphics.Bitmap;
6import android.graphics.Typeface;
7import android.graphics.drawable.BitmapDrawable;
8import android.graphics.drawable.Drawable;
9import android.os.AsyncTask;
10import android.support.annotation.NonNull;
11import android.support.v7.widget.RecyclerView;
12import android.util.Pair;
13import android.view.LayoutInflater;
14import android.view.View;
15import android.view.ViewGroup;
16import android.widget.FrameLayout;
17import android.widget.ImageView;
18import android.widget.TextView;
19
20import java.lang.ref.WeakReference;
21import java.util.List;
22import java.util.concurrent.RejectedExecutionException;
23
24import eu.siacs.conversations.R;
25import eu.siacs.conversations.entities.Conversation;
26import eu.siacs.conversations.entities.Message;
27import eu.siacs.conversations.entities.Transferable;
28import eu.siacs.conversations.ui.ConversationFragment;
29import eu.siacs.conversations.ui.XmppActivity;
30import eu.siacs.conversations.ui.util.StyledAttributes;
31import eu.siacs.conversations.ui.widget.UnreadCountCustomView;
32import eu.siacs.conversations.utils.EmojiWrapper;
33import eu.siacs.conversations.utils.IrregularUnicodeDetector;
34import eu.siacs.conversations.utils.UIHelper;
35import rocks.xmpp.addr.Jid;
36
37public class ConversationAdapter extends RecyclerView.Adapter<ConversationAdapter.ConversationViewHolder> {
38
39 private XmppActivity activity;
40 private List<Conversation> conversations;
41 private OnConversationClickListener listener;
42
43 public ConversationAdapter(XmppActivity activity, List<Conversation> conversations) {
44 this.activity = activity;
45 this.conversations = conversations;
46 }
47
48 private static boolean cancelPotentialWork(Conversation conversation, ImageView imageView) {
49 final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
50
51 if (bitmapWorkerTask != null) {
52 final Conversation oldConversation = bitmapWorkerTask.conversation;
53 if (oldConversation == null || conversation != oldConversation) {
54 bitmapWorkerTask.cancel(true);
55 } else {
56 return false;
57 }
58 }
59 return true;
60 }
61
62 private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
63 if (imageView != null) {
64 final Drawable drawable = imageView.getDrawable();
65 if (drawable instanceof AsyncDrawable) {
66 final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
67 return asyncDrawable.getBitmapWorkerTask();
68 }
69 }
70 return null;
71 }
72
73 @NonNull
74 @Override
75 public ConversationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
76 LayoutInflater inflater = (LayoutInflater) activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
77 View view = inflater.inflate(R.layout.conversation_list_row, parent, false);
78 return ConversationViewHolder.get(view);
79 }
80
81 @Override
82 public void onBindViewHolder(@NonNull ConversationViewHolder viewHolder, int position) {
83 Conversation conversation = conversations.get(position);
84 if (conversation == null) {
85 return;
86 }
87 CharSequence name = conversation.getName();
88 if (name instanceof Jid) {
89 viewHolder.name.setText(IrregularUnicodeDetector.style(activity, (Jid) name));
90 } else {
91 viewHolder.name.setText(EmojiWrapper.transform(name));
92 }
93
94 if (conversation == ConversationFragment.getConversation(activity)) {
95 viewHolder.frame.setBackgroundColor(StyledAttributes.getColor(activity,R.attr.color_background_tertiary));
96 } else {
97 viewHolder.frame.setBackgroundColor(StyledAttributes.getColor(activity,R.attr.color_background_primary));
98 }
99
100 Message message = conversation.getLatestMessage();
101 final int unreadCount = conversation.unreadCount();
102 final boolean isRead = conversation.isRead();
103 final Conversation.Draft draft = isRead ? conversation.getDraft() : null;
104 if (unreadCount > 0) {
105 viewHolder.unreadCount.setVisibility(View.VISIBLE);
106 viewHolder.unreadCount.setUnreadCount(unreadCount);
107 } else {
108 viewHolder.unreadCount.setVisibility(View.GONE);
109 }
110
111 if (isRead) {
112 viewHolder.name.setTypeface(null, Typeface.NORMAL);
113 } else {
114 viewHolder.name.setTypeface(null, Typeface.BOLD);
115 }
116
117 if (draft != null) {
118 viewHolder.lastMessageIcon.setVisibility(View.GONE);
119 viewHolder.lastMessage.setText(EmojiWrapper.transform(draft.getMessage()));
120 viewHolder.sender.setText(R.string.draft);
121 viewHolder.sender.setVisibility(View.VISIBLE);
122 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
123 viewHolder.sender.setTypeface(null, Typeface.ITALIC);
124 } else {
125 final boolean fileAvailable = !message.isDeleted();
126 final boolean showPreviewText;
127 if (fileAvailable && (message.isFileOrImage() || message.treatAsDownloadable() || message.isGeoUri())) {
128 final int imageResource;
129 if (message.isGeoUri()) {
130 imageResource = activity.getThemeResource(R.attr.ic_attach_location, R.drawable.ic_attach_location);
131 showPreviewText = false;
132 } else {
133 final String mime = message.getMimeType();
134 switch (mime == null ? "" : mime.split("/")[0]) {
135 case "image":
136 imageResource = activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo);
137 showPreviewText = false;
138 break;
139 case "video":
140 imageResource = activity.getThemeResource(R.attr.ic_attach_videocam, R.drawable.ic_attach_videocam);
141 showPreviewText = false;
142 break;
143 case "audio":
144 imageResource = activity.getThemeResource(R.attr.ic_attach_record, R.drawable.ic_attach_record);
145 showPreviewText = false;
146 break;
147 default:
148 imageResource = activity.getThemeResource(R.attr.ic_attach_document, R.drawable.ic_attach_document);
149 showPreviewText = true;
150 break;
151 }
152 }
153 viewHolder.lastMessageIcon.setImageResource(imageResource);
154 viewHolder.lastMessageIcon.setVisibility(View.VISIBLE);
155 } else {
156 viewHolder.lastMessageIcon.setVisibility(View.GONE);
157 showPreviewText = true;
158 }
159 final Pair<CharSequence, Boolean> preview = UIHelper.getMessagePreview(activity, message, viewHolder.lastMessage.getCurrentTextColor());
160 if (showPreviewText) {
161 viewHolder.lastMessage.setText(EmojiWrapper.transform(UIHelper.shorten(preview.first)));
162 } else {
163 viewHolder.lastMessageIcon.setContentDescription(preview.first);
164 }
165 viewHolder.lastMessage.setVisibility(showPreviewText ? View.VISIBLE : View.GONE);
166 if (preview.second) {
167 if (isRead) {
168 viewHolder.lastMessage.setTypeface(null, Typeface.ITALIC);
169 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
170 } else {
171 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD_ITALIC);
172 viewHolder.sender.setTypeface(null, Typeface.BOLD);
173 }
174 } else {
175 if (isRead) {
176 viewHolder.lastMessage.setTypeface(null, Typeface.NORMAL);
177 viewHolder.sender.setTypeface(null, Typeface.NORMAL);
178 } else {
179 viewHolder.lastMessage.setTypeface(null, Typeface.BOLD);
180 viewHolder.sender.setTypeface(null, Typeface.BOLD);
181 }
182 }
183 if (message.getStatus() == Message.STATUS_RECEIVED) {
184 if (conversation.getMode() == Conversation.MODE_MULTI) {
185 viewHolder.sender.setVisibility(View.VISIBLE);
186 viewHolder.sender.setText(UIHelper.getMessageDisplayName(message).split("\\s+")[0] + ':');
187 } else {
188 viewHolder.sender.setVisibility(View.GONE);
189 }
190 } else if (message.getType() != Message.TYPE_STATUS) {
191 viewHolder.sender.setVisibility(View.VISIBLE);
192 viewHolder.sender.setText(activity.getString(R.string.me) + ':');
193 } else {
194 viewHolder.sender.setVisibility(View.GONE);
195 }
196 }
197
198 long muted_till = conversation.getLongAttribute(Conversation.ATTRIBUTE_MUTED_TILL, 0);
199 if (muted_till == Long.MAX_VALUE) {
200 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
201 int ic_notifications_off = activity.getThemeResource(R.attr.icon_notifications_off, R.drawable.ic_notifications_off_black_24dp);
202 viewHolder.notificationIcon.setImageResource(ic_notifications_off);
203 } else if (muted_till >= System.currentTimeMillis()) {
204 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
205 int ic_notifications_paused = activity.getThemeResource(R.attr.icon_notifications_paused, R.drawable.ic_notifications_paused_black_24dp);
206 viewHolder.notificationIcon.setImageResource(ic_notifications_paused);
207 } else if (conversation.alwaysNotify()) {
208 viewHolder.notificationIcon.setVisibility(View.GONE);
209 } else {
210 viewHolder.notificationIcon.setVisibility(View.VISIBLE);
211 int ic_notifications_none = activity.getThemeResource(R.attr.icon_notifications_none, R.drawable.ic_notifications_none_black_24dp);
212 viewHolder.notificationIcon.setImageResource(ic_notifications_none);
213 }
214
215 long timestamp;
216 if (draft != null) {
217 timestamp = draft.getTimestamp();
218 } else {
219 timestamp = conversation.getLatestMessage().getTimeSent();
220 }
221 viewHolder.timestamp.setText(UIHelper.readableTimeDifference(activity, timestamp));
222 loadAvatar(conversation, viewHolder.avatar);
223 viewHolder.itemView.setOnClickListener(v -> listener.onConversationClick(v,conversation));
224 }
225
226 @Override
227 public int getItemCount() {
228 return conversations.size();
229 }
230
231 public void setConversationClickListener(OnConversationClickListener listener) {
232 this.listener = listener;
233 }
234
235 private void loadAvatar(Conversation conversation, ImageView imageView) {
236 if (cancelPotentialWork(conversation, imageView)) {
237 final Bitmap bm = activity.avatarService().get(conversation, activity.getPixel(56), true);
238 if (bm != null) {
239 cancelPotentialWork(conversation, imageView);
240 imageView.setImageBitmap(bm);
241 imageView.setBackgroundColor(0x00000000);
242 } else {
243 imageView.setBackgroundColor(UIHelper.getColorForName(conversation.getName().toString()));
244 imageView.setImageDrawable(null);
245 final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
246 final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
247 imageView.setImageDrawable(asyncDrawable);
248 try {
249 task.execute(conversation);
250 } catch (final RejectedExecutionException ignored) {
251 }
252 }
253 }
254 }
255
256 public void insert(Conversation c, int position) {
257 conversations.add(position,c);
258 notifyDataSetChanged();
259 }
260
261 public void remove(Conversation conversation,int position) {
262 conversations.remove(conversation);
263 notifyItemRemoved(position);
264 }
265
266 public static class ConversationViewHolder extends RecyclerView.ViewHolder {
267 private TextView name;
268 private TextView lastMessage;
269 private ImageView lastMessageIcon;
270 private TextView sender;
271 private TextView timestamp;
272 private ImageView notificationIcon;
273 private UnreadCountCustomView unreadCount;
274 private ImageView avatar;
275 private FrameLayout frame;
276
277 private ConversationViewHolder(View view) {
278 super(view);
279 }
280
281 public static ConversationViewHolder get(View layout) {
282 ConversationViewHolder conversationViewHolder = (ConversationViewHolder) layout.getTag();
283 if (conversationViewHolder == null) {
284 conversationViewHolder = new ConversationViewHolder(layout);
285 conversationViewHolder.frame = layout.findViewById(R.id.frame);
286 conversationViewHolder.name = layout.findViewById(R.id.conversation_name);
287 conversationViewHolder.lastMessage = layout.findViewById(R.id.conversation_lastmsg);
288 conversationViewHolder.lastMessageIcon = layout.findViewById(R.id.conversation_lastmsg_img);
289 conversationViewHolder.timestamp = layout.findViewById(R.id.conversation_lastupdate);
290 conversationViewHolder.sender = layout.findViewById(R.id.sender_name);
291 conversationViewHolder.notificationIcon = layout.findViewById(R.id.notification_status);
292 conversationViewHolder.unreadCount = layout.findViewById(R.id.unread_count);
293 conversationViewHolder.avatar = layout.findViewById(R.id.conversation_image);
294 layout.setTag(conversationViewHolder);
295 }
296 return conversationViewHolder;
297 }
298 }
299
300 static class AsyncDrawable extends BitmapDrawable {
301 private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
302
303 public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
304 super(res, bitmap);
305 bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
306 }
307
308 public BitmapWorkerTask getBitmapWorkerTask() {
309 return bitmapWorkerTaskReference.get();
310 }
311 }
312
313 class BitmapWorkerTask extends AsyncTask<Conversation, Void, Bitmap> {
314 private final WeakReference<ImageView> imageViewReference;
315 private Conversation conversation = null;
316
317 public BitmapWorkerTask(ImageView imageView) {
318 imageViewReference = new WeakReference<>(imageView);
319 }
320
321 @Override
322 protected Bitmap doInBackground(Conversation... params) {
323 this.conversation = params[0];
324 return activity.avatarService().get(this.conversation, activity.getPixel(56), isCancelled());
325 }
326
327 @Override
328 protected void onPostExecute(Bitmap bitmap) {
329 if (bitmap != null && !isCancelled()) {
330 final ImageView imageView = imageViewReference.get();
331 if (imageView != null) {
332 imageView.setImageBitmap(bitmap);
333 imageView.setBackgroundColor(0x00000000);
334 }
335 }
336 }
337 }
338
339 public interface OnConversationClickListener {
340 void onConversationClick(View view, Conversation conversation);
341 }
342}